KO

Kenzo Okamoto

IK Imanishi Kinzoku Kogyo Kabushiki Kaisha: 22 patents #2 of 7Top 30%
NC Nihon Dempa Kogyo Co.: 2 patents #136 of 296Top 50%
Overall (All Time): #139,337 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 1–25 of 28 patents

Patent #TitleCo-InventorsDate
9065418 Resonator electrode material excellent in aging property, piezoelectric resonator using the same material, and sputtering target made of the same material Toshinori Ogashiwa, Masaaki Kurita, Takashi Terui, Takeyuki Sagae, Katsunori Akane +2 more 2015-06-23
7126260 Surface mount crystal unit Kazuhiko Osawa, Shuichi Mizusawa 2006-10-24
4967050 High frequency cooking device with ceiling mounted semi-spherical reflector Fumihiko Kitada 1990-10-30
D308463 Microwave oven Hideo Nishikawa, Fumihiko Kitada 1990-06-12
4918275 Turntable for electronic range Fumihiko Kitada 1990-04-17
D304149 Microwave oven Hideo Nishikawa, Fumihiko Kitada 1989-10-24
4875721 Latch assembly for door or window of microwave range Fumihiko Kitada 1989-10-24
D303338 Microwave oven Hideo Nishikawa, Fumihiko Kitada 1989-09-12
D301429 Microwave oven Hideo Nishikawa, Fumihiko Kitada 1989-06-06
D301430 Microwave oven Hideo Nishikawa, Fumihiko Kitada 1989-06-06
4833285 High-frequency heating device having reflecting plates for distribution of high frequency microwaves Fumihiko Kitada 1989-05-23
D300499 Microwave oven Hideo Nishikawa, Fumihiko Kitada, Jun Yoshikado 1989-04-04
4798970 Defrosting circuit switch unit for electronic range Fumihiko Kitada 1989-01-17
D297698 Microwave oven Hideo Nishikawa, Fumihiko Kitada, Jun Yoshikado 1988-09-20
D297699 Microwave oven Hideo Nishikawa, Fumihiko Kitada, Jun Yoshikado 1988-09-20
D297700 Microwave oven Hideo Nishikawa, Fumihiko Kitada, Jun Yoshikado 1988-09-20
4755647 Control unit for power-supply circuit in electronic range Hideo Nishikawa, Fumihiko Kitada 1988-07-05
D289847 Hot plate Fumihiko Kitada, Jun Yoshikado 1987-05-19
D288358 Stove Hideo Nishikawa, Koichi Sakai 1987-02-17
D288232 Stove Hideo Nishikawa, Koichi Sakai, Fumihiko Kitada 1987-02-10
D286069 Stove Hideo Nishikawa, Koichi Sakai, Fumihiko Kitada 1986-10-07
D284504 Stove Koichi Sakai 1986-07-01
D282395 Stove Hideo Nishikawa, Koichi Sakai, Fumihiko Kitada 1986-01-28
4562825 Flame-rise stopping means for a kerosene stove Hideo Nishikawa, Hiroichi Sakai, Fumihiko Kitada 1986-01-07
4556045 Reflection type kerosene stove Hideo Nishikawa, Koichi Sakai, Fumihiko Kitada 1985-12-03